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Am I understanding that the fedora1 machine is an openstack instance and you want to test HA across two fedora instances inside openstack?

I would recommend using pacemaker and pcs to do this.

pacemaker uses corosync under the covers but when you start pacemaker (and pcsd if you can) then you can use pcs to do the configuration. Pcs and pcsd can take care of lots of the heavy lifting to setup pacemaker and make it pretty easy to get started with.